Estimation of Mobile Positioning for Lbs Using Gps-gsm Technology

Location estimation using the Global System for Mobile Communication (GSM) is an emerging application that infers the location of the mobile receiver from multiple signals measurements. The approach is based on the use of an inherent feature of the GSM cellular system and on the use of this information to estimate the phone‟s location. Mobile positioning is the key aspect in providing the location based services. To offer reliable Location Based Services (LBS) of 3G communication, accurate position estimate of Mobile Station (MS) is essential. In the present technology, there is various position techniques are based on estimation of either time, angle and are economic. This work presents a new simple approach, to find MS position using Received Signal Strength (RSS) measurements and is based on pdf of RSS probability method which in turns results with improved accuracy and reduction in minimum mean square error (MMSE). It turns out to be significantly beneficial, enhancing estimation accuracy and thereby enabling high-performance mobile positioning in a practical and cost effective manner. Experimental observed results are verified with Global Positioning System (GPS) receiver measurements and found reasonably matching.